96.2% of residents of 21791 zip code speak English at home.
0.4% of residents speak Spanish at home (32% very well, 37% well, 21% not well, 11% not at all).
2.8% of residents speak other Indo-European language at home (96% very well, 4% well).
0.3% of residents speak Asian or Pacific Island language at home (100% very well).

Foreign born population: 124 (2.2%)(51.2% of them are naturalized citizens)

Population in 1990: 3,942. Population change in the 1990s: +1,471 (+37.3%).

Place of birth for U.S.-born residents:

This state: 4,026

Northeast: 628

Midwest: 183

South: 419

West: 172

71% of the 21791 zip code residents lived in the same house 5 years ago. Out of people who lived in different houses, 62% lived in this county. Out of people who lived in different counties, 50% lived in Maryland.

97% of the 21791 zip code residents lived in the same house 1 year ago. Out of people who lived in different houses, 63% moved from this county. Out of people who lived in different houses, 19% moved from different county within same state. Out of people who lived in different houses, 13% moved from different state. Out of people who lived in different houses, 3% moved from abroad.

Year Householders Moved Into Unit

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school): 11

Here:

2.0%

Maryland:

12.8%

Students in private schools in grades 9 to 12 (high school): 8

Here:

2.6%

Maryland:

13.8%

Students in private undergraduate colleges: 28

Here:

14.2%

Maryland:

17.4%

Educational Attainment (%)

School Enrollment by Level of School (%)

Class of Workers (%)

Occupation by median earnings in the past 12 months ($)

117,928Architecture and engineering occupations

84,457Fire fighting and prevention, and other protective service workers including supervisors

81,449Computer and mathematical occupations

72,956Life, physical, and social science occupations

69,797Community and social service occupations

68,842Construction and extraction occupations

Note: State values scaled to 21791 population

Companies with federal contracts located in this zip code (UNION BRIDGE, MD):

Biggest contracts:
$85,690 with Defense Logistics Agency for Electric Vehicular Lights and Fixtures. Signed on 2002-02-26. Completion date: 2002-04-29.
$78,324, same as above.Signed on 2001-08-21. Completion date: 2001-10-22.
$47,880 with Army for Shipboard Alarm and Signal Systems. Signed on 2003-08-08. Completion date: 2003-08-28.
$46,480 with Army for Electric Portable and Hand Lighting Equipment. Taking place in CA. Signed on 2004-08-17. Completion date: 2004-08-20.